#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int a;
int b;
int c;
void F1() {
	b = a * 2;
	a = b;
}
void F2() {
	c = a + 1;
	a = c;
}
int main() {
	a = 5;
	// !!! Start F1(),F2() in parallel
	{
		F1();
		F2();
	}
	printf("%d\n", a);
}